Class: Rubocop::Cop::Style::VariableName

Inherits:
Cop
  • Object
show all
Includes:
ConfigurableNaming
Defined in:
lib/rubocop/cop/style/variable_name.rb

Overview

This cop makes sure that all variables use the configured style, snake_case or camelCase, for their names.

Constant Summary

Constants included from ConfigurableNaming

ConfigurableNaming::CAMEL_CASE, ConfigurableNaming::SNAKE_CASE

Constants inherited from Cop

Cop::OPERATOR_METHODS

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offences, #processed_source

Instance Method Summary collapse

Methods included from ConfigurableNaming

#after_dot, #check, #matches_config?

Methods inherited from Cop

#add_offence, all, #autocorrect?, #convention, #cop_config, cop_name, #cop_name, cop_type, #debug?, #ignore_node, inherited, #initialize, lint?, non_rails, rails?, style?, #support_autocorrect?, #warning

Constructor Details

This class inherits a constructor from Rubocop::Cop::Cop

Instance Method Details

#message(style) ⇒ Object 



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# File 'lib/rubocop/cop/style/variable_name.rb', line 38

def message(style)
  format('Use %s for variables.', style)
end

#name_of_setter(send_node) ⇒ Object 



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# File 'lib/rubocop/cop/style/variable_name.rb', line 30

def name_of_setter(send_node)
  receiver, method_name = *send_node
  return unless receiver && receiver.type == :self
  return unless method_name.to_s.end_with?('=')
  after_dot(send_node, method_name.length - '='.length,
            Regexp.escape(receiver.loc.expression.source))
end

#name_of_variable(vasgn_node) ⇒ Object 



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# File 'lib/rubocop/cop/style/variable_name.rb', line 23

def name_of_variable(vasgn_node)
  expr = vasgn_node.loc.expression
  name = vasgn_node.children.first
  Parser::Source::Range.new(expr.source_buffer, expr.begin_pos,
                            expr.begin_pos + name.length)
end

#on_ivasgn(node) ⇒ Object 



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# File 'lib/rubocop/cop/style/variable_name.rb', line 15

def on_ivasgn(node)
  check(node, name_of_variable(node))
end

#on_lvasgn(node) ⇒ Object 



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# File 'lib/rubocop/cop/style/variable_name.rb', line 11

def on_lvasgn(node)
  check(node, name_of_variable(node))
end

#on_send(node) ⇒ Object 



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# File 'lib/rubocop/cop/style/variable_name.rb', line 19

def on_send(node)
  check(node, name_of_setter(node))
end